173164331 has 2 divisors, whose sum is σ = 173164332. Its totient is φ = 173164330.

The previous prime is 173164319. The next prime is 173164429. The reversal of 173164331 is 133461371.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173164331 is a prime.

It is a super-2 number, since 2×173164331² = 59971771061355122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 173164294 and 173164303.

It is not a weakly prime, because it can be changed into another prime (173164031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86582165 + 86582166.

It is an arithmetic number, because the mean of its divisors is an integer number (86582166).

Almost surely, 2^173164331 is an apocalyptic number.

173164331 is a deficient number, since it is larger than the sum of its proper divisors (1).

173164331 is an equidigital number, since it uses as much as digits as its factorization.

173164331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 29.

The square root of 173164331 is about 13159.1918824828. The cubic root of 173164331 is about 557.3818377201.

The spelling of 173164331 in words is "one hundred seventy-three million, one hundred sixty-four thousand, three hundred thirty-one".